isfcontracting.ca

Valid Email Server
Domain Lookup › isfcontracting.ca

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
isfcontracting.ca
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-31 05:07:09 UTC · ↺ Refresh

MX Hostnames

  • alt4.aspmx.l.google.com
  • alt1.aspmx.l.google.com
  • mx2.privateemail.com
  • mx1.privateemail.com
  • alt2.aspmx.l.google.com
  • alt3.aspmx.l.google.com
  • aspmx.l.google.com

MX Priorities

  • alt4.aspmx.l.google.com: 10
  • aspmx.l.google.com: 1
  • mx2.privateemail.com: 10
  • alt2.aspmx.l.google.com: 5
  • alt3.aspmx.l.google.com: 10
  • mx1.privateemail.com: 10
  • alt1.aspmx.l.google.com: 5

A / AAAA Records

  • 198.49.23.144 (no PTR)
  • 198.49.23.145
  • 198.185.159.144
  • 198.185.159.145

Mail Server IPs

  • 173.194.76.26 ↩ ws-in-f26.1e100.net
  • 2a00:1450:400c:c00::1a ↩ ws-in-f26.1e100.net
  • 172.253.63.27 ↩ bi-in-f27.1e100.net
  • 2607:f8b0:4004:c1d::1b ↩ ww-in-f27.1e100.net
  • 162.255.118.8 ↩ mx2.privateemail.com
  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
  • 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
  • 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net

SOA Record

Raw SOA dns1.p08.nsone.net hostmaster.nsone.net 1655412258 43200 7200 1209600 3600
Primary NS (mname)
dns1.p08.nsone.net
Admin Email (rname)
hostmaster@nsone.net
Serial
1655412258
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

dns2.p08.nsone.net
dns3.p08.nsone.net
dns4.p08.nsone.net
dns1.p08.nsone.net

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.privateemail.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

2 records
  • SPFv=spf1 include:spf.privateemail.com ~all
  • google-site-verification=N7E0MG_VpoUMfWNsOFo2MFz8O-nWy-GSoOyiMl7Am0w
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